If I run in the sid chroot, but with the binaryed built from bullseye, it works.
(sid_mips64el-dchroot)picca@eller:~/matplotlib-3.5.0/build/lib.linux-mips64-3.9$ rm toto.png (sid_mips64el-dchroot)picca@eller:~/matplotlib-3.5.0/build/lib.linux-mips64-3.9$ python3 test.py (sid_mips64el-dchroot)picca@eller:~/matplotlib-3.5.0/build/lib.linux-mips64-3.9$ ls matplotlib mpl_toolkits pylab.py test.py toto.png
